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Finding the Fourth Proportional to 57,722.40, 86,576.40 and 24,455.76

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Solution

The fourth proportional to 57,722.40, 86,576.40 and 24,455.76 is: 36,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,722.40 : 86,576.40 = 24,455.76 : x
  2. Step 2: Convert to fraction form
    57,722.40/86,576.40 = 24,455.76/x
  3. Step 3: Cross multiply
    57,722.40x = 86,576.40 × 24,455.76
  4. Step 4: Simplify right side
    57,722.40x = 2,117,291,660.06
  5. Step 5: Solve for x
    x = 2,117,291,660.06/57,722.40
  6. Step 6: Final answer
    x = 36,680.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.